Bug #81364 [NEW]: Segfault running PHPStan test suite with JIT enabled

From: smokey101stair at gmail dot com Operating system: Ubuntu 20.04/WSL2 PHP version: 8.1.0beta2 Package: JIT Bug Type: Bug Bug description:Segfault running PHPStan test suite with JIT enabled Description: ------------ PHP segfaults while running PHPStan testsuite with the JIT enabled. PHP 8.1.0beta2 (cli) (built: Aug 15 2021 19:45:43) (NTS DEBUG) Copyright (c) The PHP Group Zend Engine v4.1.0-dev, Copyright (c) Zend Technologies with Zend OPcache v8.1.0beta2, Copyright (c), by Zend Technologies opcache.enable_cli=1 opcache.memory_consumption=256 opcache.max_accelerated_files=20000 opcache.jit=1255 opcache.jit_buffer_size=256M memory_limit=-1 Steps to reproduce: 1) git clone -b jit --single-branch https://github.com/TRowbotham/phpstan-src.git 2) cd phpstan-src 3) composer update 4) make tests Actual result: -------------- #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 #1 0x00007f4efd8db859 in __GI_abort () at abort.c:79 #2 0x00007f4efd8db729 in __assert_fail_base (fmt=0x7f4efda71588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7f4efa9d4621 "var_info & (1 << var_type)", file=0x7f4efa9d3240 "/home/trevor/.phpbrew/build/8.1.0beta2-debug/ext/opcache/jit/zend_jit_x86.dasc", line=14933, function=<optimized out>) at assert.c:92 #3 0x00007f4efd8ecf36 in __GI___assert_fail (assertion=0x7f4efa9d4621 "var_info & (1 << var_type)", file=0x7f4efa9d3240 "/home/trevor/.phpbrew/build/8.1.0beta2-debug/ext/opcache/jit/zend_jit_x86.dasc", line=14933, function=0x7f4efa9d7f30 <__PRETTY_FUNCTION__.28793> "zend_jit_fetch_indirect_var") at assert.c:101 #4 0x00007f4efa9766b8 in zend_jit_fetch_indirect_var (Dst=0x7ffd8c062128, opline=0x42a30328, var_type=0 '\000', var_info_ptr=0x7ffd8c0620a4, var_addr_ptr=0x7ffd8c062130, add_indirect_guard=true) at /home/trevor/.phpbrew/build/8.1.0beta2-debug/ext/opcache/jit/zend_jit_x86.dasc:14933 #5 0x00007f4efa9a0b8a in zend_jit_trace (trace_buffer=0x7ffd8c066550, parent_trace=0, exit_num=0) at ext/opcache/jit/zend_jit_trace.c:4444 #6 0x00007f4efa9b2f1a in zend_jit_compile_root_trace (trace_buffer=0x7ffd8c066550, opline=0x42a30578, offset=3168) at ext/opcache/jit/zend_jit_trace.c:6498 #7 0x00007f4efa9b4f21 in zend_jit_trace_hot_root (execute_data=0x7f4efaa18940, opline=0x42a30578) at ext/opcache/jit/zend_jit_trace.c:6991 #8 0x000000005040f5c7 in ?? () #9 0x0000000040855030 in ?? () #10 0x00007f4efaa185c0 in ?? () #11 0x0000000000000000 in ?? () -- Edit bug report at https://bugs.php.net/bug.php?id=81364&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81364&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81364&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81364&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81364&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81364&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81364&r=support Expected behavior: https://bugs.php.net/fix.php?id=81364&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81364&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81364&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81364&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81364&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81364&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81364&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81364&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81364&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81364&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81364&r=mysqlcfg